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Finding the Fourth Proportional to 84,792.92, 116,990.52 and 52,994.12

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Solution

The fourth proportional to 84,792.92, 116,990.52 and 52,994.12 is: 73,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,792.92 : 116,990.52 = 52,994.12 : x
  2. Step 2: Convert to fraction form
    84,792.92/116,990.52 = 52,994.12/x
  3. Step 3: Cross multiply
    84,792.92x = 116,990.52 × 52,994.12
  4. Step 4: Simplify right side
    84,792.92x = 6,199,809,655.74
  5. Step 5: Solve for x
    x = 6,199,809,655.74/84,792.92
  6. Step 6: Final answer
    x = 73,117.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.